The Radeon HD 6670 and HD 6570 video cards are based on AMD`s 40nm Turks GPU. The Radeon HD 6670 and HD 6650 are entry level cards aimed at the sub-$100 price point. Both the Radeon HD 6670 and HD 6570 have 480 Stream processors, 24 texture units, 8 ROPs and come with a 128-bit memory interface. The Radeon HD 6670 clocks in at 800MHz and is equipped with 1GB of GDDR5 memory at 4000MHz while the Radeon HD 6650 has a 650MHz core clock with either 512MB of fast GDDR5 or 1GB of DDR3 which consumes less power. The new HD6670 and HD6570 series Turks-GPUs were designed to continue AMD`s lead in providing low-cost high-definition playback and DirectX11 support, perfect for OEM systems and HTPC builds."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips